Cedar Knolls vs Mendham

A side-by-side comparison of Cedar Knolls and Mendham: population, income, housing, and more.

Cedar Knolls and Mendham are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Mendham has the higher population (4,977 vs 4,754 in Cedar Knolls). Mendham has the higher median household income ($223,750 vs $166,077 in Cedar Knolls). Mendham has the higher median home value ($764,000 vs $610,100 in Cedar Knolls).

Population, income & housing

	Cedar Knolls	Mendham
Population	4,754	4,977
Median age	41.0 yrs	46.6 yrs
Median household income	$166,077	$223,750
Median home value	$610,100	$764,000
Median gross rent	$2,802	$3,250
Housing units	1,825	1,823
Homeownership rate	60.8%	85.7%
Bachelor's degree or higher	55.8%	79.2%
Unemployment rate	2.7%	3.2%

Trends (ACS 5-year, 2019–2023)

	Cedar Knolls	Mendham
Population	4,250 → 4,754 (+11.9%)	4,917 → 4,977 (+1.2%)
Median household income	$129,875 → $166,077 (+27.9%)	$151,875 → $223,750 (+47.3%)
Median home value	$484,200 → $610,100 (+26.0%)	$662,300 → $764,000 (+15.4%)
Median gross rent	$2,633 → $2,802 (+6.4%)	$1,581 → $3,250 (+105.6%)

Cedar Knolls

Population

4,2504,754

Median household income

$129,875$166,077

Median home value

$484,200$610,100

Median gross rent

$2,633$2,802

Mendham

Population

4,9174,977

Median household income

$151,875$223,750

Median home value

$662,300$764,000

Median gross rent

$1,581$3,250

Age & race/ethnicity

Age distribution (share)

	Cedar Knolls	Mendham
Under 5	9.9%	3.9%
5 to 17	11.4%	19.1%
18 to 24	9.5%	6.5%
25 to 34	7.9%	7.6%
35 to 44	19.2%	10.2%
45 to 54	13.9%	17.2%
55 to 64	6.0%	14.1%
65 to 74	14.5%	11.6%
75 and over	7.8%	9.6%

Race & ethnicity (share)

	Cedar Knolls	Mendham
White (non-Hispanic)	69.1%	81.8%
Black or African American	0.2%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	17.7%	6.6%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.1%	0.0%
Two or more races	0.0%	5.9%
Hispanic or Latino	12.8%	5.6%

Educational attainment (age 25+)

Share of adults 25+

	Cedar Knolls	Mendham
No high school diploma	8.7%	1.3%
High school graduate	21.4%	8.5%
Some college or associate's	14.1%	11.1%
Bachelor's degree	29.9%	40.2%
Graduate or professional degree	25.9%	38.9%

Commute to work

How workers get to work (share)

	Cedar Knolls	Mendham
Drove alone	64.1%	59.9%
Carpooled	16.5%	1.9%
Public transit	0.0%	3.6%
Walked	0.1%	1.8%
Bicycle	0.0%	0.0%
Worked from home	18.3%	30.8%
Other means	0.9%	1.9%

Housing

Units in structure (share)

	Cedar Knolls	Mendham
1-unit, detached	49.6%	78.9%
1-unit, attached	8.6%	15.6%
2 to 4 units	10.5%	2.0%
5 to 19 units	24.1%	2.1%
20 or more units	7.2%	1.4%
Mobile home & other	0.0%	0.0%

Poverty & households

	Cedar Knolls	Mendham
Poverty rate	2.2%	2.2%
Average household size	2.69	2.67
Mean commute (minutes)	22	33
Median year structure built	1979	1972